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Advanced grid components for Apache Wicket

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package com.inmethod.grid.column.editable;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.model.IModel;

import com.inmethod.grid.common.AbstractGrid;
import com.inmethod.icon.Icon;
import com.inmethod.icon.IconImage;

/**
 * Backing Panel for the {@link AddDeleteColumn }
 * displays: Add, Cancel, and Delete buttons
 *
 * @author Tom Burton
 */
public abstract class AddDeletePanel extends SubmitCancelPanel
{
  protected AddDeletePanel(String id, final IModel model, AbstractGrid grid)
  {
    super(id,model,grid);
    AjaxLink cancel = new AjaxLink("delete")
    {
			private static final long serialVersionUID = 1L;

			@Override
			public void onClick(AjaxRequestTarget target)
      {
				onDelete(target);
			}
	
			@Override
			public boolean isVisible()
      {
				return getGrid().isItemEdited(model);
			}			
		};
		
		add(cancel);
		
		cancel.add(new IconImage("icon", getDeleteIcon()));
  }

  protected abstract Icon getDeleteIcon();

  protected abstract void onDelete(AjaxRequestTarget target);
}